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《Geomatics World》 2007-06
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LOD Terrain Model and Data Organization Method Based on Quadtree Structure

YAO Hui-min, CUI Tie-jun, SHAO Shi-xin, YUAN Jian-feng (Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 450052, China)  
In this paper, the author researches the organization method of terrain data, designs a static LODs terrain model based on linear quadtree, and organizes massive terrain data with data sampling, delamination and block partition. Based on the researches, the author analyzes the matters of data dynamic redeployment. The efficiency and effect of the method are increased with speediness index of block and cracks elimination. The experiment results show that this approach can achieve performance for real-time rendering of massive terrain data.
【CateGory Index】: P208
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